IR – wide flange (ASTM A6 W)

IR 150x13

Standard: ASTM A6 / IMCASource: SI values from the AISC v16.0 database
IR designation built from the metric W; cross-check with the IMCA Manual.
xybf = 100d = 148tf = 4.95tf = 4.95tw = 4.32tw = 4.32
Cross-section, to scaledimensions in mm

Dimensions

Depthd
148mm
Flange widthbf
100mm
Web thicknesstw
4.32mm
Flange thicknesstf
4.95mm
Distance k (design)kdes
11.3mm
Distance k (detailing)kdet
17.5mm
Distance k1k1
12.7mm
Web clear depthT
114mm
Distance between flange centroidsho
143mm

Mass and area

Mass per lengthm
13kg/m
Cross-sectional areaA
1,630mm²

Strong axis x–x

Moment of inertiaIx
6.210⁶ mm⁴
Elastic section modulusSx
83.610³ mm³
Plastic section modulusZx
93.910³ mm³
Radius of gyrationrx
61.7mm

Weak axis y–y

Moment of inertiaIy
0.82810⁶ mm⁴
Elastic section modulusSy
16.610³ mm³
Plastic section modulusZy
25.610³ mm³
Radius of gyrationry
22.6mm

Torsion and stability

Torsional constantJ
13.910³ mm⁴
Warping constantCw
4.2410⁹ mm⁶
Effective radius of gyrationrts
26.7mm

Slenderness ratios

Flange slendernessbf/2tf
10.1
Web slendernessh/tw
29.1

Equivalents in other standards